Detailed Product Description internal,external,modem dslHSPA USB Modem M33MMain Features: ·Worldwide roaming and global connectivity with one modem·Supports HSDPA on 850/ 1900/ 2100MHz, Quad-band class12 ·GSM/EDGE on 850/ 900/ 1800/ 1900MHz ·HSDPA with 3.6Mbps downlink and 384Kbps uplink·EDGE data up to 236.8 Kbps·8G MicroSD memory expansion·Automatically install driver, No CD required·Supports ...